Cisco 3600 Series Installation Manual page 5

Chapter 5 Installing Memory in the Router
Removing the Cisco 3660 Mainboard Tray
In this publication, references to Cisco 3660 routers include both Cisco 3661 and Cisco 3662 models.
Note
Use the following procedure to remove the mainboard tray:
Power OFF the router. However, to channel ESD voltages to ground, do not unplug the power cable.
Step 1
Warning Before opening the chassis, disconnect the telephone-network cables to avoid contact with
telephone-network voltages. To see translations of the warnings that appear in this publication,
refer to the Regulatory Compliance and Safety Information document that accompanied this
device.
Step 2 Remove all network interface cables from the mainboard tray's rear panel.
Step 3 Place the router so that the rear panel is facing you.
There are two sets of screws on the mainboard rear panel: one set of captive screws, and one set of Torx
screws. (See
Do not remove or loosen the Torx screws.
Caution
Loosen the two captive screws located in the upper corners. (See part 1,
Step 4
Swing the two tray levers out, and slide the mainboard tray out of the chassis. (See parts 2 and 3,
Step 5
Figure
OL-2056-02
Figure 5-4.)
5-4.)
Accessing the Mainboard
Figure
Cisco 3600 Series Hardware Installation Guide
5-4.)
5-5